Exponential Functions

Front

What type of pattern do exponential functions have?

Back

Multiplies by the same number every time

Front

In an exponential function, what does the 'a' represent? Options: Slope, Rate of change, Y-intercept, Multiplier

Back

Y-intercept

Front

What type of function is f(x)=2(1/7)^x? Options: Exponential Growth, Linear, Exponential Decay, None of the Above

Back

Exponential Decay

Front

A new savings account is opened with $400 and gains 3% every year. What is the exponential function? Options: f(x)=400(1+3)^x, f(x)=400(1-0.03)^x, f(x)=400(1+0.03)^x, f(x)=400(0.03)^x

Back

f(x)=400(1+0.03)^x

Front

What is the x-intercept of the exponential function? Options: (0,1), (0,0), There is not one

Back

There is not one

Front

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

Back

2

Front

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

Back

4

Front

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

Back

Increasing

Front

What is the range of this graph?

Back

y > -6

Front

What kind of shift happens with this function? Options: 4 points up, 4 points to the left, 4 points to the right, 4 points down

Back

4 points down